1040798420 has 24 divisors (see below), whose sum is σ = 2212013664. Its totient is φ = 411302816.

The previous prime is 1040798399. The next prime is 1040798431. The reversal of 1040798420 is 248970401.

It is a super-2 number, since 2×1040798420² = 2166522702148992800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311834 + ... + 315153.

It is an arithmetic number, because the mean of its divisors is an integer number (92167236).

Almost surely, 2^1040798420 is an apocalyptic number.

1040798420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040798420 is an abundant number, since it is smaller than the sum of its proper divisors (1171215244).

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

1040798420 is a wasteful number, since it uses less digits than its factorization.

1040798420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627079 (or 627077 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1040798420 is about 32261.4075948338. The cubic root of 1040798420 is about 1013.4186088881.

The spelling of 1040798420 in words is "one billion, forty million, seven hundred ninety-eight thousand, four hundred twenty".