429320540 has 24 divisors (see below), whose sum is σ = 983534832. Its totient is φ = 156116480.

The previous prime is 429320531. The next prime is 429320569. The reversal of 429320540 is 45023924.

It is a super-2 number, since 2×429320540² = 368632252131783200, which 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 7 ways as a sum of consecutive naturals, for example, 975509 + ... + 975948.

It is an arithmetic number, because the mean of its divisors is an integer number (40980618).

Almost surely, 2^429320540 is an apocalyptic number.

It is an amenable number.

429320540 is an abundant number, since it is smaller than the sum of its proper divisors (554214292).

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

429320540 is a wasteful number, since it uses less digits than its factorization.

429320540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951477 (or 1951475 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 429320540 is about 20720.0516408623. The cubic root of 429320540 is about 754.3864670459.

The spelling of 429320540 in words is "four hundred twenty-nine million, three hundred twenty thousand, five hundred forty".