1400247650442 has 16 divisors (see below), whose sum is σ = 2801708189280. Its totient is φ = 466547068752.

The previous prime is 1400247650407. The next prime is 1400247650443. The reversal of 1400247650442 is 2440567420041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400247650442.

It is not an unprimeable number, because it can be changed into a prime (1400247650443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50522008 + ... + 50549715.

It is an arithmetic number, because the mean of its divisors is an integer number (175106761830).

Almost surely, 2^{1400247650442} is an apocalyptic number.

1400247650442 is an abundant number, since it is smaller than the sum of its proper divisors (1401460538838).

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

1400247650442 is a wasteful number, since it uses less digits than its factorization.

1400247650442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101074037.

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 1400247650442 in words is "one trillion, four hundred billion, two hundred forty-seven million, six hundred fifty thousand, four hundred forty-two".