402445545233254 has 32 divisors (see below), whose sum is σ = 643551972804000. Its totient is φ = 188090543577600.

The previous prime is 402445545233239. The next prime is 402445545233293. The reversal of 402445545233254 is 452332545544204.

It is a super-2 number, since 2×402445545233254² (a number of 30 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 15 ways as a sum of consecutive naturals, for example, 33671829 + ... + 44030479.

It is an arithmetic number, because the mean of its divisors is an integer number (20110999150125).

Almost surely, 2^{402445545233254} is an apocalyptic number.

402445545233254 is a deficient number, since it is larger than the sum of its proper divisors (241106427570746).

402445545233254 is a wasteful number, since it uses less digits than its factorization.

402445545233254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366488.

The product of its (nonzero) digits is 46080000, while the sum is 52.

The spelling of 402445545233254 in words is "four hundred two trillion, four hundred forty-five billion, five hundred forty-five million, two hundred thirty-three thousand, two hundred fifty-four".