429014640 has 40 divisors (see below), whose sum is σ = 1329946128. Its totient is φ = 114403840.

The previous prime is 429014629. The next prime is 429014659. The reversal of 429014640 is 46410924.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×429014640² = 368107122668659200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 429014598 and 429014607.

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, 893541 + ... + 894020.

Almost surely, 2^429014640 is an apocalyptic number.

429014640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

429014640 is an abundant number, since it is smaller than the sum of its proper divisors (900931488).

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

429014640 is a wasteful number, since it uses less digits than its factorization.

429014640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787577 (or 1787571 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 429014640 is about 20712.6685871232. The cubic root of 429014640 is about 754.2072523495.

The spelling of 429014640 in words is "four hundred twenty-nine million, fourteen thousand, six hundred forty".