Search a number
-
+
40332234431 = 611226353917
BaseRepresentation
bin100101100011111111…
…010000111010111111
310212002211012210110102
4211203333100322333
51130100023000211
630310043431315
72625320223206
oct454377207277
9125084183412
1040332234431
1116117549755
12799722553b
133a59b58398
141d4877223d
1510b0c61a3b
hex963fd0ebf

40332234431 has 8 divisors (see below), whose sum is σ = 40997521824. Its totient is φ = 39667079520.

The previous prime is 40332234403. The next prime is 40332234461. The reversal of 40332234431 is 13443223304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40332234431 is a prime.

It is a super-2 number, since 2×403322344312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40332234394 and 40332234403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40332234461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721085 + ... + 775001.

It is an arithmetic number, because the mean of its divisors is an integer number (5124690228).

Almost surely, 240332234431 is an apocalyptic number.

40332234431 is a deficient number, since it is larger than the sum of its proper divisors (665287393).

40332234431 is a wasteful number, since it uses less digits than its factorization.

40332234431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66241.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 40332234431 its reverse (13443223304), we get a palindrome (53775457735).

The spelling of 40332234431 in words is "forty billion, three hundred thirty-two million, two hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 61 12263 53917 748043 3288937 661184171 40332234431