40245373422021 has 32 divisors (see below), whose sum is σ = 54669797424000. Its totient is φ = 26330389493760.

The previous prime is 40245373422017. The next prime is 40245373422031. The reversal of 40245373422021 is 12022437354204.

It is not a de Polignac number, because 40245373422021 - 2² = 40245373422017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245373422011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51208566 + ... + 51988536.

It is an arithmetic number, because the mean of its divisors is an integer number (1708431169500).

Almost surely, 2^{40245373422021} is an apocalyptic number.

It is an amenable number.

40245373422021 is a deficient number, since it is larger than the sum of its proper divisors (14424424001979).

40245373422021 is a wasteful number, since it uses less digits than its factorization.

40245373422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781509.

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 40245373422021 in words is "forty trillion, two hundred forty-five billion, three hundred seventy-three million, four hundred twenty-two thousand, twenty-one".