356255665540 has 96 divisors (see below), whose sum is σ = 805233429504. Its totient is φ = 131920773120.

The previous prime is 356255665427. The next prime is 356255665541. The reversal of 356255665540 is 45566552653.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (356255665541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5342605 + ... + 5408875.

It is an arithmetic number, because the mean of its divisors is an integer number (8387848224).

Almost surely, 2^356255665540 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 356255665540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402616714752).

356255665540 is an abundant number, since it is smaller than the sum of its proper divisors (448977763964).

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

356255665540 is a wasteful number, since it uses less digits than its factorization.

356255665540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66557 (or 66555 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 52.

The spelling of 356255665540 in words is "three hundred fifty-six billion, two hundred fifty-five million, six hundred sixty-five thousand, five hundred forty".