1402891516390 has 64 divisors (see below), whose sum is σ = 3171371817600. Its totient is φ = 443992026240.

The previous prime is 1402891516379. The next prime is 1402891516417. The reversal of 1402891516390 is 936151982041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 15686421 + ... + 15775600.

It is an arithmetic number, because the mean of its divisors is an integer number (49552684650).

Almost surely, 2^{1402891516390} is an apocalyptic number.

1402891516390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1402891516390 is an abundant number, since it is smaller than the sum of its proper divisors (1768480301210).

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

1402891516390 is a wasteful number, since it uses less digits than its factorization.

1402891516390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31462062 (or 31462048 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 1402891516390 in words is "one trillion, four hundred two billion, eight hundred ninety-one million, five hundred sixteen thousand, three hundred ninety".