40699404 has 36 divisors (see below), whose sum is σ = 106200640. Its totient is φ = 13128480.

The previous prime is 40699391. The next prime is 40699423. The reversal of 40699404 is 40499604.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17119 + ... + 19350.

Almost surely, 2^40699404 is an apocalyptic number.

It is an amenable number.

40699404 is an abundant number, since it is smaller than the sum of its proper divisors (65501236).

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

40699404 is a wasteful number, since it uses less digits than its factorization.

40699404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36510 (or 36505 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 40699404 is about 6379.6084519350. The cubic root of 40699404 is about 343.9769567222.

The spelling of 40699404 in words is "forty million, six hundred ninety-nine thousand, four hundred four".