61262444522040 has 32 divisors (see below), whose sum is σ = 183787333566480. Its totient is φ = 16336651872512.

The previous prime is 61262444522039. The next prime is 61262444522107. The reversal of 61262444522040 is 4022544426216.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61262444521983 and 61262444522001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255260185389 + ... + 255260185628.

Almost surely, 2^{61262444522040} is an apocalyptic number.

61262444522040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61262444522040 is an abundant number, since it is smaller than the sum of its proper divisors (122524889044440).

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

61262444522040 is a wasteful number, since it uses less digits than its factorization.

61262444522040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510520371031 (or 510520371027 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 42.

Adding to 61262444522040 its reverse (4022544426216), we get a palindrome (65284988948256).

The spelling of 61262444522040 in words is "sixty-one trillion, two hundred sixty-two billion, four hundred forty-four million, five hundred twenty-two thousand, forty".