402055524203551 has 8 divisors (see below), whose sum is σ = 405614061357120. Its totient is φ = 398496996237312.

The previous prime is 402055524203539. The next prime is 402055524203611. The reversal of 402055524203551 is 155302425550204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402055524203551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402055524203498 and 402055524203507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402055524203051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109656106 + ... + 113263288.

It is an arithmetic number, because the mean of its divisors is an integer number (50701757669640).

Almost surely, 2^{402055524203551} is an apocalyptic number.

402055524203551 is a deficient number, since it is larger than the sum of its proper divisors (3558537153569).

402055524203551 is a wasteful number, since it uses less digits than its factorization.

402055524203551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593665.

The product of its (nonzero) digits is 1200000, while the sum is 43.

Adding to 402055524203551 its reverse (155302425550204), we get a palindrome (557357949753755).

The spelling of 402055524203551 in words is "four hundred two trillion, fifty-five billion, five hundred twenty-four million, two hundred three thousand, five hundred fifty-one".