1402440311400 has 96 divisors (see below), whose sum is σ = 4465066791840. Its totient is φ = 363876399360.

The previous prime is 1402440311347. The next prime is 1402440311479. The reversal of 1402440311400 is 41130442041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31564294 + ... + 31608693.

It is an arithmetic number, because the mean of its divisors is an integer number (46511112415).

Almost surely, 2^{1402440311400} is an apocalyptic number.

1402440311400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402440311400 is an abundant number, since it is smaller than the sum of its proper divisors (3062626480440).

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

1402440311400 is a wasteful number, since it uses less digits than its factorization.

1402440311400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63173043 (or 63173034 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1402440311400 its reverse (41130442041), we get a palindrome (1443570753441).

The spelling of 1402440311400 in words is "one trillion, four hundred two billion, four hundred forty million, three hundred eleven thousand, four hundred".