1040897478 has 16 divisors (see below), whose sum is σ = 2148950016. Its totient is φ = 335773320.

The previous prime is 1040897477. The next prime is 1040897479. The reversal of 1040897478 is 8747980401.

It is an interprime number because it is at equal distance from previous prime (1040897477) and next prime (1040897479).

It is a super-3 number, since 3×1040897478³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040897477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2797926 + ... + 2798297.

It is an arithmetic number, because the mean of its divisors is an integer number (134309376).

Almost surely, 2^1040897478 is an apocalyptic number.

1040897478 is an abundant number, since it is smaller than the sum of its proper divisors (1108052538).

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

1040897478 is a wasteful number, since it uses less digits than its factorization.

1040897478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596259.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1040897478 is about 32262.9427982012. The cubic root of 1040897478 is about 1013.4507585769.

The spelling of 1040897478 in words is "one billion, forty million, eight hundred ninety-seven thousand, four hundred seventy-eight".