1402243776 has 168 divisors, whose sum is σ = 4480285680. Its totient is φ = 416710656.

The previous prime is 1402243763. The next prime is 1402243789. The reversal of 1402243776 is 6773422041.

1402243776 is a `hidden beast` number, since 1 + 402 + 243 + 7 + 7 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1402243763) and next prime (1402243789).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1402243776.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182280 + ... + 189816.

Almost surely, 2^1402243776 is an apocalyptic number.

1402243776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402243776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240142840).

1402243776 is an abundant number, since it is smaller than the sum of its proper divisors (3078041904).

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

1402243776 is a wasteful number, since it uses less digits than its factorization.

1402243776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591 (or 7578 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 1402243776 is about 37446.5455816688. The cubic root of 1402243776 is about 1119.2862629439.

The spelling of 1402243776 in words is "one billion, four hundred two million, two hundred forty-three thousand, seven hundred seventy-six".