340001002551 has 16 divisors (see below), whose sum is σ = 520809320448. Its totient is φ = 193269079200.

The previous prime is 340001002513. The next prime is 340001002553. The reversal of 340001002551 is 155200100043.

340001002551 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 340001002551 - 2²¹ = 339998905399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340001002553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42379560 + ... + 42387581.

It is an arithmetic number, because the mean of its divisors is an integer number (32550582528).

Almost surely, 2^340001002551 is an apocalyptic number.

340001002551 is a deficient number, since it is larger than the sum of its proper divisors (180808317897).

340001002551 is a wasteful number, since it uses less digits than its factorization.

340001002551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84767342.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 340001002551 its reverse (155200100043), we get a palindrome (495201102594).

The spelling of 340001002551 in words is "three hundred forty billion, one million, two thousand, five hundred fifty-one".