3815404992 has 168 divisors, whose sum is σ = 13048152720. Its totient is φ = 1090091520.

The previous prime is 3815404973. The next prime is 3815405021. The reversal of 3815404992 is 2994045183.

3815404992 is a `hidden beast` number, since 3 + 8 + 154 + 0 + 499 + 2 = 666.

3815404992 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62142 + ... + 107202.

Almost surely, 2^3815404992 is an apocalyptic number.

3815404992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3815404992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6524076360).

3815404992 is an abundant number, since it is smaller than the sum of its proper divisors (9232747728).

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

3815404992 is a wasteful number, since it uses less digits than its factorization.

3815404992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45096 (or 45073 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 3815404992 is about 61768.9646343534. The cubic root of 3815404992 is about 1562.5966222660.

The spelling of 3815404992 in words is "three billion, eight hundred fifteen million, four hundred four thousand, nine hundred ninety-two".