356212406640 has 160 divisors (see below), whose sum is σ = 1115839296000. Its totient is φ = 93995209728.

The previous prime is 356212406633. The next prime is 356212406647. The reversal of 356212406640 is 46604212653.

It is an interprime number because it is at equal distance from previous prime (356212406633) and next prime (356212406647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356212406647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37050474 + ... + 37060086.

It is an arithmetic number, because the mean of its divisors is an integer number (6973995600).

Almost surely, 2^356212406640 is an apocalyptic number.

356212406640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 356212406640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557919648000).

356212406640 is an abundant number, since it is smaller than the sum of its proper divisors (759626889360).

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

356212406640 is a wasteful number, since it uses less digits than its factorization.

356212406640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11231 (or 11225 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 356212406640 in words is "three hundred fifty-six billion, two hundred twelve million, four hundred six thousand, six hundred forty".