90419387058 has 384 divisors, whose sum is σ = 280374441984. Its totient is φ = 20267366400.

The previous prime is 90419387053. The next prime is 90419387059. The reversal of 90419387058 is 85078391409.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90419386995 and 90419387013.

It is not an unprimeable number, because it can be changed into a prime (90419387053) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 49926973 + ... + 49928783.

It is an arithmetic number, because the mean of its divisors is an integer number (730141776).

Almost surely, 2^90419387058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90419387058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140187220992).

90419387058 is an abundant number, since it is smaller than the sum of its proper divisors (189955054926).

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

90419387058 is a wasteful number, since it uses less digits than its factorization.

90419387058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 90419387058 in words is "ninety billion, four hundred nineteen million, three hundred eighty-seven thousand, fifty-eight".