405230131142984 has 32 divisors (see below), whose sum is σ = 868656361826880. Its totient is φ = 173608840042944.

The previous prime is 405230131142983. The next prime is 405230131143001. The reversal of 405230131142984 is 489241131032504.

It is a super-2 number, since 2×405230131142984² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405230131142983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275176402 + ... + 1275494145.

It is an arithmetic number, because the mean of its divisors is an integer number (27145511307090).

Almost surely, 2^{405230131142984} is an apocalyptic number.

It is an amenable number.

405230131142984 is an abundant number, since it is smaller than the sum of its proper divisors (463426230683896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405230131142984 is a wasteful number, since it uses less digits than its factorization.

405230131142984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550673397 (or 2550673393 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 405230131142984 in words is "four hundred five trillion, two hundred thirty billion, one hundred thirty-one million, one hundred forty-two thousand, nine hundred eighty-four".