2802491378 has 12 divisors (see below), whose sum is σ = 4465562442. Its totient is φ = 1318819200.

The previous prime is 2802491371. The next prime is 2802491413. The reversal of 2802491378 is 8731942082.

It can be written as a sum of positive squares in 3 ways, for example, as 2786467369 + 16024009 = 52787^2 + 4003^2 .

It is not an unprimeable number, because it can be changed into a prime (2802491371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2423723 + ... + 2424878.

Almost surely, 2^2802491378 is an apocalyptic number.

2802491378 is a deficient number, since it is larger than the sum of its proper divisors (1663071064).

2802491378 is a wasteful number, since it uses less digits than its factorization.

2802491378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848637 (or 4848620 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 2802491378 is about 52938.5622963072. The cubic root of 2802491378 is about 1409.8776578457.

The spelling of 2802491378 in words is "two billion, eight hundred two million, four hundred ninety-one thousand, three hundred seventy-eight".