16431465241400 has 72 divisors (see below), whose sum is σ = 41991899559960. Its totient is φ = 5975078260800.

The previous prime is 16431465241393. The next prime is 16431465241409. The reversal of 16431465241400 is 414256413461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16431465241409) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 339468884 + ... + 339517283.

Almost surely, 2^{16431465241400} is an apocalyptic number.

16431465241400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16431465241400 is an abundant number, since it is smaller than the sum of its proper divisors (25560434318560).

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

16431465241400 is a wasteful number, since it uses less digits than its factorization.

16431465241400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678986205 (or 678986185 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 16431465241400 in words is "sixteen trillion, four hundred thirty-one billion, four hundred sixty-five million, two hundred forty-one thousand, four hundred".