40001011503431 has 16 divisors (see below), whose sum is σ = 43647545940768. Its totient is φ = 36356158003200.

The previous prime is 40001011503419. The next prime is 40001011503457. The reversal of 40001011503431 is 13430511010004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40001011503431 - 2³⁴ = 39983831634247 is a prime.

It is a super-2 number, since 2×40001011503431² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40001011503397 and 40001011503406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001011503491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114309475 + ... + 1114345371.

It is an arithmetic number, because the mean of its divisors is an integer number (2727971621298).

Almost surely, 2^{40001011503431} is an apocalyptic number.

40001011503431 is a deficient number, since it is larger than the sum of its proper divisors (3646534437337).

40001011503431 is a wasteful number, since it uses less digits than its factorization.

40001011503431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56482.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 40001011503431 its reverse (13430511010004), we get a palindrome (53431522513435).

The spelling of 40001011503431 in words is "forty trillion, one billion, eleven million, five hundred three thousand, four hundred thirty-one".