40020346515331 has 24 divisors (see below), whose sum is σ = 50698698089760. Its totient is φ = 31308669608832.

The previous prime is 40020346515199. The next prime is 40020346515379. The reversal of 40020346515331 is 13351564302004.

It is not a de Polignac number, because 40020346515331 - 2¹³ = 40020346507139 is a prime.

It is a super-2 number, since 2×40020346515331² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40020346515131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352899991 + ... + 353013376.

It is an arithmetic number, because the mean of its divisors is an integer number (2112445753740).

Almost surely, 2^{40020346515331} is an apocalyptic number.

40020346515331 is a deficient number, since it is larger than the sum of its proper divisors (10678351574429).

40020346515331 is a wasteful number, since it uses less digits than its factorization.

40020346515331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705913483 (or 705913476 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 40020346515331 in words is "forty trillion, twenty billion, three hundred forty-six million, five hundred fifteen thousand, three hundred thirty-one".