40155302461 has 8 divisors (see below), whose sum is σ = 41195488824. Its totient is φ = 39118010880.

The previous prime is 40155302419. The next prime is 40155302497. The reversal of 40155302461 is 16420355104.

It is a happy number.

40155302461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4541951236 + 35613351225 = 67394^2 + 188715^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40155302461 - 2¹³ = 40155294269 is a prime.

It is a super-2 number, since 2×40155302461² (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 (40155302401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695580 + ... + 751093.

It is an arithmetic number, because the mean of its divisors is an integer number (5149436103).

Almost surely, 2^40155302461 is an apocalyptic number.

40155302461 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40155302461 is a deficient number, since it is larger than the sum of its proper divisors (1040186363).

40155302461 is a wasteful number, since it uses less digits than its factorization.

40155302461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447391.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 40155302461 its reverse (16420355104), we get a palindrome (56575657565).

The spelling of 40155302461 in words is "forty billion, one hundred fifty-five million, three hundred two thousand, four hundred sixty-one".