434672140 has 36 divisors (see below), whose sum is σ = 1061844336. Its totient is φ = 149030112.

The previous prime is 434672129. The next prime is 434672143. The reversal of 434672140 is 41276434.

It is not an unprimeable number, because it can be changed into a prime (434672143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220792 + ... + 222751.

It is an arithmetic number, because the mean of its divisors is an integer number (29495676).

Almost surely, 2^434672140 is an apocalyptic number.

It is an amenable number.

434672140 is an abundant number, since it is smaller than the sum of its proper divisors (627172196).

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

434672140 is a wasteful number, since it uses less digits than its factorization.

434672140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443566 (or 443557 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 434672140 is about 20848.7922911616. The cubic root of 434672140 is about 757.5080779164.

The spelling of 434672140 in words is "four hundred thirty-four million, six hundred seventy-two thousand, one hundred forty".