3551437124340 has 144 divisors (see below), whose sum is σ = 11571319634112. Its totient is φ = 811491684864.

The previous prime is 3551437124267. The next prime is 3551437124369. The reversal of 3551437124340 is 434217341553.

It is a super-2 number, since 2×3551437124340² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3551437124292 and 3551437124301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8868112 + ... + 9259928.

It is an arithmetic number, because the mean of its divisors is an integer number (80356386348).

Almost surely, 2^{3551437124340} is an apocalyptic number.

3551437124340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3551437124340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5785659817056).

3551437124340 is an abundant number, since it is smaller than the sum of its proper divisors (8019882509772).

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

3551437124340 is a wasteful number, since it uses less digits than its factorization.

3551437124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394926 (or 394917 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 3551437124340 in words is "three trillion, five hundred fifty-one billion, four hundred thirty-seven million, one hundred twenty-four thousand, three hundred forty".