2154100432 has 40 divisors (see below), whose sum is σ = 4555592352. Its totient is φ = 978576000.

The previous prime is 2154100391. The next prime is 2154100463. The reversal of 2154100432 is 2340014512.

It is a super-2 number, since 2×2154100432² = 9280297342285173248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580182 + ... + 583882.

Almost surely, 2^2154100432 is an apocalyptic number.

2154100432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2154100432 is an abundant number, since it is smaller than the sum of its proper divisors (2401491920).

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

2154100432 is a wasteful number, since it uses less digits than its factorization.

2154100432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027 (or 7021 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2154100432 is about 46412.2875109599. The cubic root of 2154100432 is about 1291.4828674184.

Adding to 2154100432 its reverse (2340014512), we get a palindrome (4494114944).

The spelling of 2154100432 in words is "two billion, one hundred fifty-four million, one hundred thousand, four hundred thirty-two".