340737077898 has 64 divisors (see below), whose sum is σ = 865471691520. Its totient is φ = 97341336576.

The previous prime is 340737077873. The next prime is 340737077899. The reversal of 340737077898 is 898770737043.

340737077898 is a `hidden beast` number, since 3 + 407 + 3 + 70 + 7 + 78 + 98 = 666.

It is a super-2 number, since 2×340737077898² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340737077899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3241786 + ... + 3345242.

It is an arithmetic number, because the mean of its divisors is an integer number (13522995180).

Almost surely, 2^340737077898 is an apocalyptic number.

340737077898 is an abundant number, since it is smaller than the sum of its proper divisors (524734613622).

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

340737077898 is a wasteful number, since it uses less digits than its factorization.

340737077898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112188 (or 112182 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 63.

The spelling of 340737077898 in words is "three hundred forty billion, seven hundred thirty-seven million, seventy-seven thousand, eight hundred ninety-eight".