740424816 has 60 divisors (see below), whose sum is σ = 2090544768. Its totient is φ = 244618752.

The previous prime is 740424799. The next prime is 740424821. The reversal of 740424816 is 618424047.

740424816 is a `hidden beast` number, since 7 + 404 + 248 + 1 + 6 = 666.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6480 + ... + 39023.

Almost surely, 2^740424816 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 740424816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045272384).

740424816 is an abundant number, since it is smaller than the sum of its proper divisors (1350119952).

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

740424816 is a wasteful number, since it uses less digits than its factorization.

740424816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45630 (or 45621 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 740424816 is about 27210.7481705300. The cubic root of 740424816 is about 904.6772211545.

The spelling of 740424816 in words is "seven hundred forty million, four hundred twenty-four thousand, eight hundred sixteen".