1907484140 has 12 divisors (see below), whose sum is σ = 4005716736. Its totient is φ = 762993648.

The previous prime is 1907484127. The next prime is 1907484149. The reversal of 1907484140 is 414847091.

It is a junction number, because it is equal to n+sod(n) for n = 1907484094 and 1907484103.

It is not an unprimeable number, because it can be changed into a prime (1907484149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47687084 + ... + 47687123.

It is an arithmetic number, because the mean of its divisors is an integer number (333809728).

Almost surely, 2^1907484140 is an apocalyptic number.

1907484140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1907484140 is an abundant number, since it is smaller than the sum of its proper divisors (2098232596).

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

1907484140 is a wasteful number, since it uses less digits than its factorization.

1907484140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95374216 (or 95374214 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1907484140 is about 43674.7540347968. The cubic root of 1907484140 is about 1240.1864400552.

The spelling of 1907484140 in words is "one billion, nine hundred seven million, four hundred eighty-four thousand, one hundred forty".