40121056224386 has 4 divisors (see below), whose sum is σ = 60181584336582. Its totient is φ = 20060528112192.

The previous prime is 40121056224367. The next prime is 40121056224391. The reversal of 40121056224386 is 68342265012104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40109105580625 + 11950643761 = 6333175^2 + 109319^2 .

It is a super-3 number, since 3×40121056224386³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030264056095 + ... + 10030264056098.

Almost surely, 2^{40121056224386} is an apocalyptic number.

40121056224386 is a deficient number, since it is larger than the sum of its proper divisors (20060528112196).

40121056224386 is a wasteful number, since it uses less digits than its factorization.

40121056224386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20060528112195.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 40121056224386 in words is "forty trillion, one hundred twenty-one billion, fifty-six million, two hundred twenty-four thousand, three hundred eighty-six".