7485400810 has 32 divisors (see below), whose sum is σ = 13860726480. Its totient is φ = 2908426752.

The previous prime is 7485400789. The next prime is 7485400823. The reversal of 7485400810 is 180045847.

It can be written as a sum of positive squares in 8 ways, for example, as 2602326169 + 4883074641 = 51013^2 + 69879^2 .

It is a super-2 number, since 2×7485400810² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 7485400810.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211896 + ... + 244684.

Almost surely, 2^7485400810 is an apocalyptic number.

7485400810 is a deficient number, since it is larger than the sum of its proper divisors (6375325670).

7485400810 is a wasteful number, since it uses less digits than its factorization.

7485400810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33450.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 7485400810 is about 86518.2108575992. The cubic root of 7485400810 is about 1956.1629090034.

The spelling of 7485400810 in words is "seven billion, four hundred eighty-five million, four hundred thousand, eight hundred ten".