240470490 has 64 divisors (see below), whose sum is σ = 623137536. Its totient is φ = 59039232.

The previous prime is 240470467. The next prime is 240470501. The reversal of 240470490 is 94074042.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251854 + ... + 252806.

It is an arithmetic number, because the mean of its divisors is an integer number (9736524).

Almost surely, 2^240470490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240470490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311568768).

240470490 is an abundant number, since it is smaller than the sum of its proper divisors (382667046).

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

240470490 is a wasteful number, since it uses less digits than its factorization.

240470490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623.

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

The square root of 240470490 is about 15507.1109494967. The cubic root of 240470490 is about 621.8523255118.

The spelling of 240470490 in words is "two hundred forty million, four hundred seventy thousand, four hundred ninety".