3920239554 has 128 divisors (see below), whose sum is σ = 10287820800. Its totient is φ = 973653120.

The previous prime is 3920239541. The next prime is 3920239573. The reversal of 3920239554 is 4559320293.

3920239554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3920239554² = 30736556321492237832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1284222 + ... + 1287270.

It is an arithmetic number, because the mean of its divisors is an integer number (80373600).

Almost surely, 2^3920239554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3920239554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5143910400).

3920239554 is an abundant number, since it is smaller than the sum of its proper divisors (6367581246).

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

3920239554 is a wasteful number, since it uses less digits than its factorization.

3920239554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 3920239554 is about 62611.8164087259. The cubic root of 3920239554 is about 1576.7791506793.

The spelling of 3920239554 in words is "three billion, nine hundred twenty million, two hundred thirty-nine thousand, five hundred fifty-four".