1402020813400 has 48 divisors (see below), whose sum is σ = 3268580574240. Its totient is φ = 559280208000.

The previous prime is 1402020813379. The next prime is 1402020813409. The reversal of 1402020813400 is 43180202041.

It is a super-2 number, since 2×1402020813400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402020813409) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9477151 + ... + 9623950.

It is an arithmetic number, because the mean of its divisors is an integer number (68095428630).

Almost surely, 2^{1402020813400} is an apocalyptic number.

1402020813400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402020813400 is an abundant number, since it is smaller than the sum of its proper divisors (1866559760840).

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

1402020813400 is a wasteful number, since it uses less digits than its factorization.

1402020813400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19101484 (or 19101475 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The spelling of 1402020813400 in words is "one trillion, four hundred two billion, twenty million, eight hundred thirteen thousand, four hundred".