1052213020400 has 60 divisors (see below), whose sum is σ = 2615112216600. Its totient is φ = 406371920640.

The previous prime is 1052213020381. The next prime is 1052213020433. The reversal of 1052213020400 is 40203122501.

It is a super-2 number, since 2×1052213020400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45342410 + ... + 45365609.

It is an arithmetic number, because the mean of its divisors is an integer number (43585203610).

Almost surely, 2^{1052213020400} is an apocalyptic number.

1052213020400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052213020400 is an abundant number, since it is smaller than the sum of its proper divisors (1562899196200).

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

1052213020400 is a wasteful number, since it uses less digits than its factorization.

1052213020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90708066 (or 90708055 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 1052213020400 its reverse (40203122501), we get a palindrome (1092416142901).

The spelling of 1052213020400 in words is "one trillion, fifty-two billion, two hundred thirteen million, twenty thousand, four hundred".