3840153657 has 8 divisors (see below), whose sum is σ = 5239279584. Its totient is φ = 2500565088.

The previous prime is 3840153619. The next prime is 3840153677. The reversal of 3840153657 is 7563510483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3840153657 - 2⁷ = 3840153529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3840153677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14884188 + ... + 14884445.

It is an arithmetic number, because the mean of its divisors is an integer number (654909948).

Almost surely, 2^3840153657 is an apocalyptic number.

It is an amenable number.

3840153657 is a deficient number, since it is larger than the sum of its proper divisors (1399125927).

3840153657 is a wasteful number, since it uses less digits than its factorization.

3840153657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29768679.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 3840153657 is about 61968.9733415037. The cubic root of 3840153657 is about 1565.9679432312.

The spelling of 3840153657 in words is "three billion, eight hundred forty million, one hundred fifty-three thousand, six hundred fifty-seven".