1859908940 has 48 divisors (see below), whose sum is σ = 3967052544. Its totient is φ = 732384000.

The previous prime is 1859908937. The next prime is 1859908949. The reversal of 1859908940 is 498099581.

1859908940 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1859908940² = 6918522530183847200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1859908949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363077 + ... + 368163.

It is an arithmetic number, because the mean of its divisors is an integer number (82646928).

Almost surely, 2^1859908940 is an apocalyptic number.

1859908940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1859908940 is an abundant number, since it is smaller than the sum of its proper divisors (2107143604).

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

1859908940 is a wasteful number, since it uses less digits than its factorization.

1859908940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378 (or 5376 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 1859908940 is about 43126.6615911781. The cubic root of 1859908940 is about 1229.7888768888.

The spelling of 1859908940 in words is "one billion, eight hundred fifty-nine million, nine hundred eight thousand, nine hundred forty".