1902401056850 has 48 divisors (see below), whose sum is σ = 4099357886208. Its totient is φ = 643316826240.

The previous prime is 1902401056841. The next prime is 1902401056901. The reversal of 1902401056850 is 586501042091.

It is a super-2 number, since 2×1902401056850² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1902401056798 and 1902401056807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37203434 + ... + 37254533.

It is an arithmetic number, because the mean of its divisors is an integer number (85403289296).

Almost surely, 2^{1902401056850} is an apocalyptic number.

1902401056850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1902401056850 is an abundant number, since it is smaller than the sum of its proper divisors (2196956829358).

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

1902401056850 is a wasteful number, since it uses less digits than its factorization.

1902401056850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74458059 (or 74458054 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 1902401056850 in words is "one trillion, nine hundred two billion, four hundred one million, fifty-six thousand, eight hundred fifty".