40401580031 has 8 divisors (see below), whose sum is σ = 43565247600. Its totient is φ = 37341639360.

The previous prime is 40401580013. The next prime is 40401580073. The reversal of 40401580031 is 13008510404.

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

It is a de Polignac number, because none of the positive numbers 2^k-40401580031 is a prime.

It is a super-2 number, since 2×40401580031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40401580001) 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, 25930916 + ... + 25932473.

It is an arithmetic number, because the mean of its divisors is an integer number (5445655950).

Almost surely, 2^40401580031 is an apocalyptic number.

40401580031 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40401580031 is a deficient number, since it is larger than the sum of its proper divisors (3163667569).

40401580031 is a wasteful number, since it uses less digits than its factorization.

40401580031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51863449.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 40401580031 in words is "forty billion, four hundred one million, five hundred eighty thousand, thirty-one".