1402993488 has 160 divisors (see below), whose sum is σ = 4003743744. Its totient is φ = 420742656.

The previous prime is 1402993483. The next prime is 1402993489. The reversal of 1402993488 is 8843992041.

It is a super-2 number, since 2×1402993488² = 3936781454740812288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402993483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5334445 + ... + 5334707.

Almost surely, 2^1402993488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402993488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2001871872).

1402993488 is an abundant number, since it is smaller than the sum of its proper divisors (2600750256).

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

1402993488 is a wasteful number, since it uses less digits than its factorization.

1402993488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 1402993488 is about 37456.5546733813. The cubic root of 1402993488 is about 1119.4857035005.

The spelling of 1402993488 in words is "one billion, four hundred two million, nine hundred ninety-three thousand, four hundred eighty-eight".