3640150287840 has 192 divisors, whose sum is σ = 13244696881920. Its totient is φ = 830551203840.

The previous prime is 3640150287827. The next prime is 3640150287853. The reversal of 3640150287840 is 487820510463.

It is an interprime number because it is at equal distance from previous prime (3640150287827) and next prime (3640150287853).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3640150287840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20187370 + ... + 20366889.

It is an arithmetic number, because the mean of its divisors is an integer number (68982796260).

Almost surely, 2^{3640150287840} is an apocalyptic number.

3640150287840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3640150287840 is an abundant number, since it is smaller than the sum of its proper divisors (9604546594080).

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

3640150287840 is a wasteful number, since it uses less digits than its factorization.

3640150287840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40554305 (or 40554297 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 3640150287840 in words is "three trillion, six hundred forty billion, one hundred fifty million, two hundred eighty-seven thousand, eight hundred forty".