4546623540 has 48 divisors (see below), whose sum is σ = 12765295872. Its totient is φ = 1209123456.

The previous prime is 4546623517. The next prime is 4546623541. The reversal of 4546623540 is 453266454.

It is a super-2 number, since 2×4546623540² = 41343571228964263200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4546623541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81219 + ... + 125258.

It is an arithmetic number, because the mean of its divisors is an integer number (265943664).

Almost surely, 2^4546623540 is an apocalyptic number.

It is an amenable number.

4546623540 is an abundant number, since it is smaller than the sum of its proper divisors (8218672332).

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

4546623540 is a wasteful number, since it uses less digits than its factorization.

4546623540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206856 (or 206854 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The square root of 4546623540 is about 67428.6551845727. The cubic root of 4546623540 is about 1656.6458060755.

Adding to 4546623540 its reverse (453266454), we get a palindrome (4999889994).

It can be divided in two parts, 45466 and 23540, that added together give a triangular number (69006 = T₃₇₁).

The spelling of 4546623540 in words is "four billion, five hundred forty-six million, six hundred twenty-three thousand, five hundred forty".