4620406731540 has 96 divisors (see below), whose sum is σ = 13622491384320. Its totient is φ = 1166879177856.

The previous prime is 4620406731529. The next prime is 4620406731593. The reversal of 4620406731540 is 451376040264.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4620406731492 and 4620406731501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2835639 + ... + 4157121.

It is an arithmetic number, because the mean of its divisors is an integer number (141900951920).

Almost surely, 2^{4620406731540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4620406731540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6811245692160).

4620406731540 is an abundant number, since it is smaller than the sum of its proper divisors (9002084652780).

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

4620406731540 is a wasteful number, since it uses less digits than its factorization.

4620406731540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324581 (or 1324579 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 4620406731540 in words is "four trillion, six hundred twenty billion, four hundred six million, seven hundred thirty-one thousand, five hundred forty".