402034505553551 has 4 divisors (see below), whose sum is σ = 432960236749992. Its totient is φ = 371108774357112.

The previous prime is 402034505553523. The next prime is 402034505553589. The reversal of 402034505553551 is 155355505430204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402034505553551 - 2¹⁴ = 402034505537167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402034505553496 and 402034505553505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402034505153551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15462865598201 + ... + 15462865598226.

It is an arithmetic number, because the mean of its divisors is an integer number (108240059187498).

Almost surely, 2^{402034505553551} is an apocalyptic number.

402034505553551 is a deficient number, since it is larger than the sum of its proper divisors (30925731196441).

402034505553551 is a wasteful number, since it uses less digits than its factorization.

402034505553551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30925731196440.

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 402034505553551 in words is "four hundred two trillion, thirty-four billion, five hundred five million, five hundred fifty-three thousand, five hundred fifty-one".