740040390 has 48 divisors (see below), whose sum is σ = 1941159168. Its totient is φ = 195595008.

The previous prime is 740040377. The next prime is 740040409. The reversal of 740040390 is 93040047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26214 + ... + 46553.

It is an arithmetic number, because the mean of its divisors is an integer number (40440816).

Almost surely, 2^740040390 is an apocalyptic number.

740040390 is an abundant number, since it is smaller than the sum of its proper divisors (1201118778).

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

740040390 is a wasteful number, since it uses less digits than its factorization.

740040390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72893 (or 72890 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 740040390 is about 27203.6833903058. The cubic root of 740040390 is about 904.5206256234.

The spelling of 740040390 in words is "seven hundred forty million, forty thousand, three hundred ninety".