75228896490 has 64 divisors (see below), whose sum is σ = 197304785280. Its totient is φ = 18205655040.

The previous prime is 75228896489. The next prime is 75228896557. The reversal of 75228896490 is 9469882257.

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, 7135 + ... + 387954.

It is an arithmetic number, because the mean of its divisors is an integer number (3082887270).

Almost surely, 2^75228896490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75228896490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98652392640).

75228896490 is an abundant number, since it is smaller than the sum of its proper divisors (122075888790).

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

75228896490 is a wasteful number, since it uses less digits than its factorization.

75228896490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395687.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 75228896490 in words is "seventy-five billion, two hundred twenty-eight million, eight hundred ninety-six thousand, four hundred ninety".