3815624272812 has 192 divisors, whose sum is σ = 10962111283200. Its totient is φ = 1017908536320.

The previous prime is 3815624272787. The next prime is 3815624272819. The reversal of 3815624272812 is 2182724265183.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (3815624272819) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2801833 + ... + 3934655.

It is an arithmetic number, because the mean of its divisors is an integer number (57094329600).

Almost surely, 2^{3815624272812} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3815624272812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5481055641600).

3815624272812 is an abundant number, since it is smaller than the sum of its proper divisors (7146487010388).

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

3815624272812 is a wasteful number, since it uses less digits than its factorization.

3815624272812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132956 (or 1132954 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 3815624272812 in words is "three trillion, eight hundred fifteen billion, six hundred twenty-four million, two hundred seventy-two thousand, eight hundred twelve".