40141786531 has 32 divisors (see below), whose sum is σ = 50609442816. Its totient is φ = 30928560000.

The previous prime is 40141786523. The next prime is 40141786543. The reversal of 40141786531 is 13568714104.

It is a cyclic number.

It is not a de Polignac number, because 40141786531 - 2³ = 40141786523 is a prime.

It is a super-2 number, since 2×40141786531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40141780531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6708561 + ... + 6714541.

It is an arithmetic number, because the mean of its divisors is an integer number (1581545088).

Almost surely, 2^40141786531 is an apocalyptic number.

40141786531 is a deficient number, since it is larger than the sum of its proper divisors (10467656285).

40141786531 is a wasteful number, since it uses less digits than its factorization.

40141786531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 40141786531 in words is "forty billion, one hundred forty-one million, seven hundred eighty-six thousand, five hundred thirty-one".