3478137366740 has 12 divisors (see below), whose sum is σ = 7304088470196. Its totient is φ = 1391254946688.

The previous prime is 3478137366721. The next prime is 3478137366749. The reversal of 3478137366740 is 476637318743.

It can be written as a sum of positive squares in 2 ways, for example, as 1830749714704 + 1647387652036 = 1353052^2 + 1283506^2 .

It is a super-2 number, since 2×3478137366740² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3478137366740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478137366749) 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, 86953434149 + ... + 86953434188.

It is an arithmetic number, because the mean of its divisors is an integer number (608674039183).

Almost surely, 2^{3478137366740} is an apocalyptic number.

It is an amenable number.

3478137366740 is an abundant number, since it is smaller than the sum of its proper divisors (3825951103456).

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

3478137366740 is a wasteful number, since it uses less digits than its factorization.

3478137366740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173906868346 (or 173906868344 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 59.

The spelling of 3478137366740 in words is "three trillion, four hundred seventy-eight billion, one hundred thirty-seven million, three hundred sixty-six thousand, seven hundred forty".