740575440 has 320 divisors, whose sum is σ = 2828390400. Its totient is φ = 176601600.

The previous prime is 740575421. The next prime is 740575457. The reversal of 740575440 is 44575047.

740575440 is a `hidden beast` number, since 7 + 40 + 575 + 4 + 40 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 740575395 and 740575404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1686741 + ... + 1687179.

It is an arithmetic number, because the mean of its divisors is an integer number (8838720).

Almost surely, 2^740575440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740575440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414195200).

740575440 is an abundant number, since it is smaller than the sum of its proper divisors (2087814960).

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

740575440 is a wasteful number, since it uses less digits than its factorization.

740575440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 740575440 is about 27213.5157596368. The cubic root of 740575440 is about 904.7385629048.

It can be divided in two parts, 74057 and 5440, that added together give a palindrome (79497).

The spelling of 740575440 in words is "seven hundred forty million, five hundred seventy-five thousand, four hundred forty".