40525331163465 has 16 divisors (see below), whose sum is σ = 64840878776448. Its totient is φ = 21613393648896.

The previous prime is 40525331163461. The next prime is 40525331163487. The reversal of 40525331163465 is 56436113352504.

It is not a de Polignac number, because 40525331163465 - 2² = 40525331163461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40525331163461) 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, 4350829 + ... + 9999018.

It is an arithmetic number, because the mean of its divisors is an integer number (4052554923528).

Almost surely, 2^{40525331163465} is an apocalyptic number.

It is an amenable number.

40525331163465 is a deficient number, since it is larger than the sum of its proper divisors (24315547612983).

40525331163465 is a wasteful number, since it uses less digits than its factorization.

40525331163465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14538128.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 40525331163465 in words is "forty trillion, five hundred twenty-five billion, three hundred thirty-one million, one hundred sixty-three thousand, four hundred sixty-five".