1402212400 has 30 divisors (see below), whose sum is σ = 3368816252. Its totient is φ = 560884800.

The previous prime is 1402212359. The next prime is 1402212419. The reversal of 1402212400 is 42122041.

It is a super-2 number, since 2×1402212400² = 3932399229427520000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1752366 + ... + 1753165.

Almost surely, 2^1402212400 is an apocalyptic number.

1402212400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402212400 is an abundant number, since it is smaller than the sum of its proper divisors (1966603852).

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

1402212400 is a wasteful number, since it uses less digits than its factorization.

1402212400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505549 (or 3505538 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1402212400 is about 37446.1266354746. The cubic root of 1402212400 is about 1119.2779146599.

Adding to 1402212400 its reverse (42122041), we get a palindrome (1444334441).

The spelling of 1402212400 in words is "one billion, four hundred two million, two hundred twelve thousand, four hundred".