2249405742 has 16 divisors (see below), whose sum is σ = 4553015040. Its totient is φ = 740767992.

The previous prime is 2249405699. The next prime is 2249405783. The reversal of 2249405742 is 2475049422.

It is a self number, because there is not a number n which added to its sum of digits gives 2249405742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2257942 + ... + 2258937.

It is an arithmetic number, because the mean of its divisors is an integer number (284563440).

Almost surely, 2^2249405742 is an apocalyptic number.

2249405742 is an abundant number, since it is smaller than the sum of its proper divisors (2303609298).

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

2249405742 is a wasteful number, since it uses less digits than its factorization.

2249405742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516967.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 2249405742 is about 47427.9004595396. The cubic root of 2249405742 is about 1310.2553242400.

The spelling of 2249405742 in words is "two billion, two hundred forty-nine million, four hundred five thousand, seven hundred forty-two".