402215040354 has 32 divisors (see below), whose sum is σ = 809722992960. Its totient is φ = 133192417472.

The previous prime is 402215040343. The next prime is 402215040371. The reversal of 402215040354 is 453040512204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196417 + ... + 918155.

It is an arithmetic number, because the mean of its divisors is an integer number (25303843530).

Almost surely, 2^402215040354 is an apocalyptic number.

402215040354 is an abundant number, since it is smaller than the sum of its proper divisors (407507952606).

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

402215040354 is a wasteful number, since it uses less digits than its factorization.

402215040354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722354.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 402215040354 its reverse (453040512204), we get a palindrome (855255552558).

The spelling of 402215040354 in words is "four hundred two billion, two hundred fifteen million, forty thousand, three hundred fifty-four".