10521400410 has 24 divisors (see below), whose sum is σ = 27355641300. Its totient is φ = 2805706752.

The previous prime is 10521400369. The next prime is 10521400459. The reversal of 10521400410 is 1400412501.

It can be written as a sum of positive squares in 2 ways, for example, as 8866293921 + 1655106489 = 94161^2 + 40683^2 .

It is a super-2 number, since 2×10521400410² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58452135 + ... + 58452314.

Almost surely, 2^10521400410 is an apocalyptic number.

10521400410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10521400410 is an abundant number, since it is smaller than the sum of its proper divisors (16834240890).

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

10521400410 is a wasteful number, since it uses less digits than its factorization.

10521400410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116904462 (or 116904459 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 10521400410 its reverse (1400412501), we get a palindrome (11921812911).

The spelling of 10521400410 in words is "ten billion, five hundred twenty-one million, four hundred thousand, four hundred ten".