934642440 has 48 divisors (see below), whose sum is σ = 3037589100. Its totient is φ = 249237888.

The previous prime is 934642417. The next prime is 934642447. The reversal of 934642440 is 44246439.

934642440 is a `hidden beast` number, since 9 + 3 + 4 + 642 + 4 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 827022564 + 107619876 = 28758^2 + 10374^2 .

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 = 934642395 and 934642404.

It is not an unprimeable number, because it can be changed into a prime (934642447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1297755 + ... + 1298474.

Almost surely, 2^934642440 is an apocalyptic number.

934642440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

934642440 is an abundant number, since it is smaller than the sum of its proper divisors (2102946660).

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

934642440 is a wasteful number, since it uses less digits than its factorization.

934642440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596246 (or 2596239 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 934642440 is about 30571.9224125667. The cubic root of 934642440 is about 977.7215009889.

Adding to 934642440 its reverse (44246439), we get a palindrome (978888879).

The spelling of 934642440 in words is "nine hundred thirty-four million, six hundred forty-two thousand, four hundred forty".