34426401555 has 64 divisors (see below), whose sum is σ = 70131317760. Its totient is φ = 14026231296.

The previous prime is 34426401547. The next prime is 34426401557. The reversal of 34426401555 is 55510462443.

It is not a de Polignac number, because 34426401555 - 2³ = 34426401547 is a prime.

It is a super-3 number, since 3×34426401555³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (34426401557) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 395257 + ... + 474426.

It is an arithmetic number, because the mean of its divisors is an integer number (1095801840).

Almost surely, 2^34426401555 is an apocalyptic number.

34426401555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

34426401555 is an abundant number, since it is smaller than the sum of its proper divisors (35704916205).

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

34426401555 is a wasteful number, since it uses less digits than its factorization.

34426401555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869740.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 34426401555 its reverse (55510462443), we get a palindrome (89936863998).

The spelling of 34426401555 in words is "thirty-four billion, four hundred twenty-six million, four hundred one thousand, five hundred fifty-five".