3724340640 has 48 divisors (see below), whose sum is σ = 11731674528. Its totient is φ = 993157376.

The previous prime is 3724340623. The next prime is 3724340699. The reversal of 3724340640 is 460434273.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3879042 + ... + 3880001.

It is an arithmetic number, because the mean of its divisors is an integer number (244409886).

Almost surely, 2^3724340640 is an apocalyptic number.

3724340640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3724340640 is an abundant number, since it is smaller than the sum of its proper divisors (8007333888).

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

3724340640 is a wasteful number, since it uses less digits than its factorization.

3724340640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7759061 (or 7759053 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 3724340640 is about 61027.3761520189. The cubic root of 3724340640 is about 1550.0646022328.

The spelling of 3724340640 in words is "three billion, seven hundred twenty-four million, three hundred forty thousand, six hundred forty".