3493142101840 has 40 divisors (see below), whose sum is σ = 8185504665600. Its totient is φ = 1386254814336.

The previous prime is 3493142101807. The next prime is 3493142101847. The reversal of 3493142101840 is 481012413943.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3493142101793 and 3493142101802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493142101847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171896440 + ... + 171916759.

It is an arithmetic number, because the mean of its divisors is an integer number (204637616640).

Almost surely, 2^{3493142101840} is an apocalyptic number.

It is an amenable number.

3493142101840 is an abundant number, since it is smaller than the sum of its proper divisors (4692362563760).

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

3493142101840 is a wasteful number, since it uses less digits than its factorization.

3493142101840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343813339 (or 343813333 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 3493142101840 in words is "three trillion, four hundred ninety-three billion, one hundred forty-two million, one hundred one thousand, eight hundred forty".