32430777540 has 48 divisors (see below), whose sum is σ = 103778489472. Its totient is φ = 7412749056.

The previous prime is 32430777529. The next prime is 32430777541. The reversal of 32430777540 is 4577703423.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 32430777492 and 32430777501.

It is not an unprimeable number, because it can be changed into a prime (32430777541) 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, 38607649 + ... + 38608488.

It is an arithmetic number, because the mean of its divisors is an integer number (2162051864).

Almost surely, 2^32430777540 is an apocalyptic number.

32430777540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32430777540 is an abundant number, since it is smaller than the sum of its proper divisors (71347711932).

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

32430777540 is a wasteful number, since it uses less digits than its factorization.

32430777540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77216156 (or 77216154 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 42.

The spelling of 32430777540 in words is "thirty-two billion, four hundred thirty million, seven hundred seventy-seven thousand, five hundred forty".