40245312250520 has 64 divisors (see below), whose sum is σ = 99895962731040. Its totient is φ = 14497373260800.

The previous prime is 40245312250499. The next prime is 40245312250567. The reversal of 40245312250520 is 2505221354204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943818086 + ... + 943860725.

Almost surely, 2^{40245312250520} is an apocalyptic number.

40245312250520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40245312250520 is an abundant number, since it is smaller than the sum of its proper divisors (59650650480520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40245312250520 is a wasteful number, since it uses less digits than its factorization.

40245312250520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887678876 (or 1887678872 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 40245312250520 in words is "forty trillion, two hundred forty-five billion, three hundred twelve million, two hundred fifty thousand, five hundred twenty".