1340010402402 has 64 divisors (see below), whose sum is σ = 3147918326784. Its totient is φ = 372308892480.

The previous prime is 1340010402347. The next prime is 1340010402443. The reversal of 1340010402402 is 2042040100431.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1224349 + ... + 2044272.

It is an arithmetic number, because the mean of its divisors is an integer number (49186223856).

Almost surely, 2^{1340010402402} is an apocalyptic number.

1340010402402 is an abundant number, since it is smaller than the sum of its proper divisors (1807907924382).

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

1340010402402 is a wasteful number, since it uses less digits than its factorization.

1340010402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268903.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1340010402402 its reverse (2042040100431), we get a palindrome (3382050502833).

The spelling of 1340010402402 in words is "one trillion, three hundred forty billion, ten million, four hundred two thousand, four hundred two".