1900264544430 has 96 divisors (see below), whose sum is σ = 5305586126976. Its totient is φ = 434316891456.

The previous prime is 1900264544411. The next prime is 1900264544441. The reversal of 1900264544430 is 344454620091.

It is a super-2 number, since 2×1900264544430² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 27817977 + ... + 27886203.

It is an arithmetic number, because the mean of its divisors is an integer number (55266522156).

Almost surely, 2^{1900264544430} is an apocalyptic number.

1900264544430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1900264544430 is an abundant number, since it is smaller than the sum of its proper divisors (3405321582546).

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

1900264544430 is a wasteful number, since it uses less digits than its factorization.

1900264544430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87198 (or 87191 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 1900264544430 in words is "one trillion, nine hundred billion, two hundred sixty-four million, five hundred forty-four thousand, four hundred thirty".