73550039490 has 96 divisors (see below), whose sum is σ = 201475123200. Its totient is φ = 18564422400.

The previous prime is 73550039467. The next prime is 73550039539. The reversal of 73550039490 is 9493005537.

73550039490 is a `hidden beast` number, since 7 + 3 + 550 + 0 + 3 + 9 + 4 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1949526 + ... + 1986894.

It is an arithmetic number, because the mean of its divisors is an integer number (2098699200).

Almost surely, 2^73550039490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73550039490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100737561600).

73550039490 is an abundant number, since it is smaller than the sum of its proper divisors (127925083710).

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

73550039490 is a wasteful number, since it uses less digits than its factorization.

73550039490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38552 (or 38549 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The spelling of 73550039490 in words is "seventy-three billion, five hundred fifty million, thirty-nine thousand, four hundred ninety".