1402797555 has 16 divisors (see below), whose sum is σ = 2493862560. Its totient is φ = 748158624.

The previous prime is 1402797521. The next prime is 1402797581. The reversal of 1402797555 is 5557972041.

1402797555 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 7 + 97 + 555 = 666.

It is not a de Polignac number, because 1402797555 - 2⁷ = 1402797427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1402797555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5195412 + ... + 5195681.

It is an arithmetic number, because the mean of its divisors is an integer number (155866410).

Almost surely, 2^1402797555 is an apocalyptic number.

1402797555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1402797555 is a deficient number, since it is larger than the sum of its proper divisors (1091065005).

1402797555 is a wasteful number, since it uses less digits than its factorization.

1402797555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391107 (or 10391101 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The square root of 1402797555 is about 37453.9391119279. The cubic root of 1402797555 is about 1119.4335876958.

The spelling of 1402797555 in words is "one billion, four hundred two million, seven hundred ninety-seven thousand, five hundred fifty-five".