403374040 has 16 divisors (see below), whose sum is σ = 907591680. Its totient is φ = 161349600.

The previous prime is 403374019. The next prime is 403374061. The reversal of 403374040 is 40473304.

It is an interprime number because it is at equal distance from previous prime (403374019) and next prime (403374061).

It is a super-2 number, since 2×403374040² = 325421232291843200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403373996 and 403374014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5042136 + ... + 5042215.

It is an arithmetic number, because the mean of its divisors is an integer number (56724480).

Almost surely, 2^403374040 is an apocalyptic number.

403374040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403374040 is an abundant number, since it is smaller than the sum of its proper divisors (504217640).

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

403374040 is a wasteful number, since it uses less digits than its factorization.

403374040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084362 (or 10084358 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 403374040 is about 20084.1738689945. The cubic root of 403374040 is about 738.8721802073.

The spelling of 403374040 in words is "four hundred three million, three hundred seventy-four thousand, forty".