7398819450 has 240 divisors, whose sum is σ = 23609694240. Its totient is φ = 1699056000.

The previous prime is 7398819391. The next prime is 7398819481. The reversal of 7398819450 is 549188937.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 842080 + ... + 850820.

It is an arithmetic number, because the mean of its divisors is an integer number (98373726).

Almost surely, 2^7398819450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7398819450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11804847120).

7398819450 is an abundant number, since it is smaller than the sum of its proper divisors (16210874790).

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

7398819450 is a wasteful number, since it uses less digits than its factorization.

7398819450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8795 (or 8781 counting only the distinct ones).

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

The square root of 7398819450 is about 86016.3905892360. The cubic root of 7398819450 is about 1948.5915272927.

The spelling of 7398819450 in words is "seven billion, three hundred ninety-eight million, eight hundred nineteen thousand, four hundred fifty".