40413402 has 12 divisors (see below), whose sum is σ = 87562410. Its totient is φ = 13471128.

The previous prime is 40413397. The next prime is 40413481. The reversal of 40413402 is 20431404.

It can be written as a sum of positive squares in only one way, i.e., 29582721 + 10830681 = 5439^2 + 3291^2 .

It is a super-2 number, since 2×40413402² = 3266486122427208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2245189 = 40413402 / (4 + 0 + 4 + 1 + 3 + 4 + 0 + 2).

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, 1122577 + ... + 1122612.

Almost surely, 2^40413402 is an apocalyptic number.

40413402 is an abundant number, since it is smaller than the sum of its proper divisors (47149008).

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

40413402 is a wasteful number, since it uses less digits than its factorization.

40413402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245197 (or 2245194 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40413402 is about 6357.1536083376. The cubic root of 40413402 is about 343.1693327611.

Adding to 40413402 its reverse (20431404), we get a palindrome (60844806).

The spelling of 40413402 in words is "forty million, four hundred thirteen thousand, four hundred two".