43137662040 has 192 divisors, whose sum is σ = 154373506560. Its totient is φ = 10359778560.

The previous prime is 43137662033. The next prime is 43137662041. The reversal of 43137662040 is 4026673134.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43137661986 and 43137662004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43137662041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 372817 + ... + 474623.

It is an arithmetic number, because the mean of its divisors is an integer number (804028680).

Almost surely, 2^43137662040 is an apocalyptic number.

43137662040 is a gapful number since it is divisible by the number (40) 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 43137662040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77186753280).

43137662040 is an abundant number, since it is smaller than the sum of its proper divisors (111235844520).

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

43137662040 is a wasteful number, since it uses less digits than its factorization.

43137662040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101942 (or 101935 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 43137662040 in words is "forty-three billion, one hundred thirty-seven million, six hundred sixty-two thousand, forty".