240157506621425 has 12 divisors (see below), whose sum is σ = 297935052672816. Its totient is φ = 192035847579600.

The previous prime is 240157506621401. The next prime is 240157506621427. The reversal of 240157506621425 is 524126605751042.

It is not a de Polignac number, because 240157506621425 - 2²⁰ = 240157505572849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240157506621427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2253888599 + ... + 2253995148.

It is an arithmetic number, because the mean of its divisors is an integer number (24827921056068).

Almost surely, 2^{240157506621425} is an apocalyptic number.

240157506621425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240157506621425 is a deficient number, since it is larger than the sum of its proper divisors (57777546051391).

240157506621425 is a wasteful number, since it uses less digits than its factorization.

240157506621425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507885888 (or 4507885883 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 240157506621425 in words is "two hundred forty trillion, one hundred fifty-seven billion, five hundred six million, six hundred twenty-one thousand, four hundred twenty-five".