1040263698 has 16 divisors (see below), whose sum is σ = 2152270080. Its totient is φ = 334797456.

The previous prime is 1040263687. The next prime is 1040263709. The reversal of 1040263698 is 8963620401.

It is an interprime number because it is at equal distance from previous prime (1040263687) and next prime (1040263709).

It is a super-2 number, since 2×1040263698² = 2164297122753270408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2989090 + ... + 2989437.

It is an arithmetic number, because the mean of its divisors is an integer number (134516880).

Almost surely, 2^1040263698 is an apocalyptic number.

1040263698 is an abundant number, since it is smaller than the sum of its proper divisors (1112006382).

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

1040263698 is a wasteful number, since it uses less digits than its factorization.

1040263698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978561.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1040263698 is about 32253.1191979939. The cubic root of 1040263698 is about 1013.2450273878.

The spelling of 1040263698 in words is "one billion, forty million, two hundred sixty-three thousand, six hundred ninety-eight".