1902425616 has 480 divisors, whose sum is σ = 7178429440. Its totient is φ = 473651712.

The previous prime is 1902425599. The next prime is 1902425663. The reversal of 1902425616 is 6165242091.

1902425616 is a `hidden beast` number, since 1 + 90 + 2 + 4 + 2 + 561 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6722211 + ... + 6722493.

Almost surely, 2^1902425616 is an apocalyptic number.

1902425616 is a gapful number since it is divisible by the number (16) 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 1902425616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3589214720).

1902425616 is an abundant number, since it is smaller than the sum of its proper divisors (5276003824).

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

1902425616 is a wasteful number, since it uses less digits than its factorization.

1902425616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1902425616 is about 43616.8042845874. The cubic root of 1902425616 is about 1239.0891715687.

The spelling of 1902425616 in words is "one billion, nine hundred two million, four hundred twenty-five thousand, six hundred sixteen".