7905537450 has 36 divisors (see below), whose sum is σ = 21239545158. Its totient is φ = 2108143200.

The previous prime is 7905537443. The next prime is 7905537463. The reversal of 7905537450 is 547355097.

7905537450 is a `hidden beast` number, since 7 + 90 + 553 + 7 + 4 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3942960849 + 3962576601 = 62793^2 + 62949^2 .

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 = 7905537396 and 7905537405.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8783481 + ... + 8784380.

Almost surely, 2^7905537450 is an apocalyptic number.

7905537450 is an abundant number, since it is smaller than the sum of its proper divisors (13334007708).

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

7905537450 is a wasteful number, since it uses less digits than its factorization.

7905537450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17567879 (or 17567871 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The square root of 7905537450 is about 88913.0893063558. The cubic root of 7905537450 is about 1992.0969327317.

The spelling of 7905537450 in words is "seven billion, nine hundred five million, five hundred thirty-seven thousand, four hundred fifty".