7402049985 has 128 divisors (see below), whose sum is σ = 14256705024. Its totient is φ = 3238133760.

The previous prime is 7402049983. The next prime is 7402049999. The reversal of 7402049985 is 5899402047.

It is not a de Polignac number, because 7402049985 - 2¹ = 7402049983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7402049981) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7575817 + ... + 7576793.

It is an arithmetic number, because the mean of its divisors is an integer number (111380508).

Almost surely, 2^7402049985 is an apocalyptic number.

It is an amenable number.

7402049985 is a deficient number, since it is larger than the sum of its proper divisors (6854655039).

7402049985 is a wasteful number, since it uses less digits than its factorization.

7402049985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 7402049985 is about 86035.1671411174. The cubic root of 7402049985 is about 1948.8750895197.

The spelling of 7402049985 in words is "seven billion, four hundred two million, forty-nine thousand, nine hundred eighty-five".