1051893400 has 48 divisors (see below), whose sum is σ = 2480131440. Its totient is φ = 414825600.

The previous prime is 1051893397. The next prime is 1051893413. The reversal of 1051893400 is 43981501.

It is a super-2 number, since 2×1051893400² = 2212959449927120000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22839 + ... + 51238.

It is an arithmetic number, because the mean of its divisors is an integer number (51669405).

Almost surely, 2^1051893400 is an apocalyptic number.

1051893400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051893400 is an abundant number, since it is smaller than the sum of its proper divisors (1428238040).

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

1051893400 is a wasteful number, since it uses less digits than its factorization.

1051893400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74164 (or 74155 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1051893400 is about 32432.9061294236. The cubic root of 1051893400 is about 1017.0069248388.

The spelling of 1051893400 in words is "one billion, fifty-one million, eight hundred ninety-three thousand, four hundred".