40429100 has 18 divisors (see below), whose sum is σ = 87731364. Its totient is φ = 16171600.

The previous prime is 40429091. The next prime is 40429127. The reversal of 40429100 is 192404.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202046 + ... + 202245.

Almost surely, 2^40429100 is an apocalyptic number.

It is an amenable number.

40429100 is an abundant number, since it is smaller than the sum of its proper divisors (47302264).

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

40429100 is a wasteful number, since it uses less digits than its factorization.

40429100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404305 (or 404298 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40429100 is about 6358.3881605325. The cubic root of 40429100 is about 343.2137600596.

The spelling of 40429100 in words is "forty million, four hundred twenty-nine thousand, one hundred".