40245373475121 has 16 divisors (see below), whose sum is σ = 53699027146560. Its totient is φ = 26810990737920.

The previous prime is 40245373475113. The next prime is 40245373475171. The reversal of 40245373475121 is 12157437354204.

It is not a de Polignac number, because 40245373475121 - 2³ = 40245373475113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40245373475171) 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, 24681706 + ... + 26261708.

It is an arithmetic number, because the mean of its divisors is an integer number (3356189196660).

Almost surely, 2^{40245373475121} is an apocalyptic number.

It is an amenable number.

40245373475121 is a deficient number, since it is larger than the sum of its proper divisors (13453653671439).

40245373475121 is a wasteful number, since it uses less digits than its factorization.

40245373475121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586096.

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 40245373475121 in words is "forty trillion, two hundred forty-five billion, three hundred seventy-three million, four hundred seventy-five thousand, one hundred twenty-one".