1902364252840 has 64 divisors (see below), whose sum is σ = 4506590908800. Its totient is φ = 720737309952.

The previous prime is 1902364252771. The next prime is 1902364252909. The reversal of 1902364252840 is 482524632091.

It is an interprime number because it is at equal distance from previous prime (1902364252771) and next prime (1902364252909).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3209994 + ... + 3756166.

It is an arithmetic number, because the mean of its divisors is an integer number (70415482950).

Almost surely, 2^{1902364252840} is an apocalyptic number.

1902364252840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1902364252840 is an abundant number, since it is smaller than the sum of its proper divisors (2604226655960).

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

1902364252840 is a wasteful number, since it uses less digits than its factorization.

1902364252840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550786 (or 550782 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 1902364252840 in words is "one trillion, nine hundred two billion, three hundred sixty-four million, two hundred fifty-two thousand, eight hundred forty".