5190786450 has 48 divisors (see below), whose sum is σ = 14303504160. Its totient is φ = 1384209360.

The previous prime is 5190786421. The next prime is 5190786467. The reversal of 5190786450 is 546870915.

5190786450 is a `hidden beast` number, since 5 + 190 + 7 + 8 + 6 + 450 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5190786396 and 5190786405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921164 + ... + 1923863.

It is an arithmetic number, because the mean of its divisors is an integer number (297989670).

Almost surely, 2^5190786450 is an apocalyptic number.

5190786450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5190786450 is an abundant number, since it is smaller than the sum of its proper divisors (9112717710).

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

5190786450 is a wasteful number, since it uses less digits than its factorization.

5190786450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845048 (or 3845037 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 5190786450 is about 72047.1127110587. The cubic root of 5190786450 is about 1731.4543830265.

The spelling of 5190786450 in words is "five billion, one hundred ninety million, seven hundred eighty-six thousand, four hundred fifty".