7259406990 has 32 divisors (see below), whose sum is σ = 19006448256. Its totient is φ = 1759856160.

The previous prime is 7259406953. The next prime is 7259407003. The reversal of 7259406990 is 996049527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10998772 + ... + 10999431.

It is an arithmetic number, because the mean of its divisors is an integer number (593951508).

Almost surely, 2^7259406990 is an apocalyptic number.

7259406990 is an abundant number, since it is smaller than the sum of its proper divisors (11747041266).

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

7259406990 is a wasteful number, since it uses less digits than its factorization.

7259406990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21998224.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 7259406990 is about 85202.1536699631. The cubic root of 7259406990 is about 1936.2750458369.

The spelling of 7259406990 in words is "seven billion, two hundred fifty-nine million, four hundred six thousand, nine hundred ninety".