740490240 has 352 divisors, whose sum is σ = 2773177344. Its totient is φ = 165150720.

The previous prime is 740490197. The next prime is 740490269. The reversal of 740490240 is 42094047.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 740490198 and 740490207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7633872 + ... + 7633968.

Almost surely, 2^740490240 is an apocalyptic number.

740490240 is a gapful number since it is divisible by the number (70) 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 740490240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386588672).

740490240 is an abundant number, since it is smaller than the sum of its proper divisors (2032687104).

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

740490240 is a wasteful number, since it uses less digits than its factorization.

740490240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 740490240 is about 27211.9503159917. The cubic root of 740490240 is about 904.7038661552.

The spelling of 740490240 in words is "seven hundred forty million, four hundred ninety thousand, two hundred forty".