402242025446 has 16 divisors (see below), whose sum is σ = 610155428400. Its totient is φ = 198865379328.

The previous prime is 402242025439. The next prime is 402242025527. The reversal of 402242025446 is 644520242204.

It is a super-2 number, since 2×402242025446² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029211 + ... + 2218598.

It is an arithmetic number, because the mean of its divisors is an integer number (38134714275).

Almost surely, 2^402242025446 is an apocalyptic number.

402242025446 is a deficient number, since it is larger than the sum of its proper divisors (207913402954).

402242025446 is a wasteful number, since it uses less digits than its factorization.

402242025446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248343.

The product of its (nonzero) digits is 122880, while the sum is 35.

The spelling of 402242025446 in words is "four hundred two billion, two hundred forty-two million, twenty-five thousand, four hundred forty-six".