1400404002140 has 96 divisors (see below), whose sum is σ = 3455322748416. Its totient is φ = 470019421440.

The previous prime is 1400404002103. The next prime is 1400404002163. The reversal of 1400404002140 is 412004040041.

It is a happy number.

It is a super-2 number, since 2×1400404002140² (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 31 ways as a sum of consecutive naturals, for example, 41633369 + ... + 41666991.

It is an arithmetic number, because the mean of its divisors is an integer number (35992945296).

Almost surely, 2^{1400404002140} is an apocalyptic number.

1400404002140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400404002140 is an abundant number, since it is smaller than the sum of its proper divisors (2054918746276).

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

1400404002140 is a wasteful number, since it uses less digits than its factorization.

1400404002140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48219 (or 48217 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1400404002140 its reverse (412004040041), we get a palindrome (1812408042181).

The spelling of 1400404002140 in words is "one trillion, four hundred billion, four hundred four million, two thousand, one hundred forty".