3851400432 has 160 divisors (see below), whose sum is σ = 11106146304. Its totient is φ = 1140249600.

The previous prime is 3851400431. The next prime is 3851400437. The reversal of 3851400432 is 2340041583.

It is a self number, because there is not a number n which added to its sum of digits gives 3851400432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3851400431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6344673 + ... + 6345279.

Almost surely, 2^3851400432 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 3851400432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5553073152).

3851400432 is an abundant number, since it is smaller than the sum of its proper divisors (7254745872).

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

3851400432 is a wasteful number, since it uses less digits than its factorization.

3851400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 3851400432 is about 62059.6522065665. The cubic root of 3851400432 is about 1567.4952192137.

The spelling of 3851400432 in words is "three billion, eight hundred fifty-one million, four hundred thousand, four hundred thirty-two".