3397756440 has 64 divisors (see below), whose sum is σ = 10977372000. Its totient is φ = 836370432.

The previous prime is 3397756429. The next prime is 3397756441. The reversal of 3397756440 is 446577933.

It is a super-2 number, since 2×3397756440² = 23089497651122947200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3397756440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3397756441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087465 + ... + 1090584.

Almost surely, 2^3397756440 is an apocalyptic number.

3397756440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3397756440 is an abundant number, since it is smaller than the sum of its proper divisors (7579615560).

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

3397756440 is a wasteful number, since it uses less digits than its factorization.

3397756440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178076 (or 2178072 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The square root of 3397756440 is about 58290.2774054130. The cubic root of 3397756440 is about 1503.3637754821.

The spelling of 3397756440 in words is "three billion, three hundred ninety-seven million, seven hundred fifty-six thousand, four hundred forty".