40351404 has 48 divisors (see below), whose sum is σ = 100251648. Its totient is φ = 12588288.

The previous prime is 40351397. The next prime is 40351411. The reversal of 40351404 is 40415304.

It is an interprime number because it is at equal distance from previous prime (40351397) and next prime (40351411).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45049 + ... + 45935.

It is an arithmetic number, because the mean of its divisors is an integer number (2088576).

Almost surely, 2^40351404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40351404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50125824).

40351404 is an abundant number, since it is smaller than the sum of its proper divisors (59900244).

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

40351404 is a wasteful number, since it uses less digits than its factorization.

40351404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40351404 is about 6352.2754978039. The cubic root of 40351404 is about 342.9937581561.

Adding to 40351404 its reverse (40415304), we get a palindrome (80766708).

It can be divided in two parts, 40351 and 404, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40351404 in words is "forty million, three hundred fifty-one thousand, four hundred four".