3890949772528 has 160 divisors (see below), whose sum is σ = 9828084962304. Its totient is φ = 1448159440896.

The previous prime is 3890949772517. The next prime is 3890949772607. The reversal of 3890949772528 is 8252779490983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65488851 + ... + 65548237.

Almost surely, 2^{3890949772528} 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 3890949772528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4914042481152).

3890949772528 is an abundant number, since it is smaller than the sum of its proper divisors (5937135189776).

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

3890949772528 is a wasteful number, since it uses less digits than its factorization.

3890949772528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62079 (or 62073 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 73.

The spelling of 3890949772528 in words is "three trillion, eight hundred ninety billion, nine hundred forty-nine million, seven hundred seventy-two thousand, five hundred twenty-eight".