1240602738 has 16 divisors (see below), whose sum is σ = 2516152896. Its totient is φ = 407709680.

The previous prime is 1240602719. The next prime is 1240602791. The reversal of 1240602738 is 8372060421.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1240602699 and 1240602708.

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, 1455681 + ... + 1456532.

It is an arithmetic number, because the mean of its divisors is an integer number (157259556).

Almost surely, 2^1240602738 is an apocalyptic number.

1240602738 is an abundant number, since it is smaller than the sum of its proper divisors (1275550158).

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

1240602738 is a wasteful number, since it uses less digits than its factorization.

1240602738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912289.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1240602738 is about 35222.1909880689. The cubic root of 1240602738 is about 1074.5111137004.

The spelling of 1240602738 in words is "one billion, two hundred forty million, six hundred two thousand, seven hundred thirty-eight".