3350042640 has 120 divisors (see below), whose sum is σ = 12857802048. Its totient is φ = 765722880.

The previous prime is 3350042617. The next prime is 3350042659. The reversal of 3350042640 is 462400533.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×3350042640² = 22445571379636339200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327306 + ... + 337385.

Almost surely, 2^3350042640 is an apocalyptic number.

3350042640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3350042640 is an abundant number, since it is smaller than the sum of its proper divisors (9507759408).

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

3350042640 is a wasteful number, since it uses less digits than its factorization.

3350042640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664717 (or 664708 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 3350042640 is about 57879.5528662757. The cubic root of 3350042640 is about 1496.2934619277.

The spelling of 3350042640 in words is "three billion, three hundred fifty million, forty-two thousand, six hundred forty".