40802405262925 has 12 divisors (see below), whose sum is σ = 52339637096820. Its totient is φ = 31516340616320.

The previous prime is 40802405262919. The next prime is 40802405262959. The reversal of 40802405262925 is 52926250420804.

It can be written as a sum of positive squares in 6 ways, for example, as 8796717037476 + 32005688225449 = 2965926^2 + 5657357^2 .

It is not a de Polignac number, because 40802405262925 - 2⁵ = 40802405262893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28139589112 + ... + 28139590561.

It is an arithmetic number, because the mean of its divisors is an integer number (4361636424735).

Almost surely, 2^{40802405262925} is an apocalyptic number.

It is an amenable number.

40802405262925 is a deficient number, since it is larger than the sum of its proper divisors (11537231833895).

40802405262925 is a wasteful number, since it uses less digits than its factorization.

40802405262925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56279179712 (or 56279179707 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 40802405262925 in words is "forty trillion, eight hundred two billion, four hundred five million, two hundred sixty-two thousand, nine hundred twenty-five".