402121201350 has 96 divisors (see below), whose sum is σ = 1088060252544. Its totient is φ = 97471417600.

The previous prime is 402121201291. The next prime is 402121201351. The reversal of 402121201350 is 53102121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402121201351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24284674 + ... + 24301226.

It is an arithmetic number, because the mean of its divisors is an integer number (11333960964).

Almost surely, 2^402121201350 is an apocalyptic number.

402121201350 is an abundant number, since it is smaller than the sum of its proper divisors (685939051194).

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

402121201350 is a wasteful number, since it uses less digits than its factorization.

402121201350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31302 (or 31297 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 402121201350 its reverse (53102121204), we get a palindrome (455223322554).

The spelling of 402121201350 in words is "four hundred two billion, one hundred twenty-one million, two hundred one thousand, three hundred fifty".