40945993025 has 24 divisors (see below), whose sum is σ = 61439639040. Its totient is φ = 26425647360.

The previous prime is 40945993021. The next prime is 40945993061. The reversal of 40945993025 is 52039954904.

It is a happy number.

It is not a de Polignac number, because 40945993025 - 2² = 40945993021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40945993021) 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, 6878705 + ... + 6884654.

It is an arithmetic number, because the mean of its divisors is an integer number (2559984960).

Almost surely, 2^40945993025 is an apocalyptic number.

It is an amenable number.

40945993025 is a deficient number, since it is larger than the sum of its proper divisors (20493646015).

40945993025 is a wasteful number, since it uses less digits than its factorization.

40945993025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13763393 (or 13763388 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 40945993025 in words is "forty billion, nine hundred forty-five million, nine hundred ninety-three thousand, twenty-five".