912374640 has 240 divisors, whose sum is σ = 3243292416. Its totient is φ = 229478400.

The previous prime is 912374627. The next prime is 912374641. The reversal of 912374640 is 46473219.

912374640 is a `hidden beast` number, since 9 + 1 + 2 + 3 + 7 + 4 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 912374595 and 912374604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912374641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 914622 + ... + 915618.

Almost surely, 2^912374640 is an apocalyptic number.

912374640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 912374640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621646208).

912374640 is an abundant number, since it is smaller than the sum of its proper divisors (2330917776).

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

912374640 is a wasteful number, since it uses less digits than its factorization.

912374640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 912374640 is about 30205.5398892322. The cubic root of 912374640 is about 969.8942882637.

The spelling of 912374640 in words is "nine hundred twelve million, three hundred seventy-four thousand, six hundred forty".