841374540 has 240 divisors, whose sum is σ = 2827706112. Its totient is φ = 208687104.

The previous prime is 841374529. The next prime is 841374553. The reversal of 841374540 is 45473148.

841374540 is a `hidden beast` number, since 8 + 41 + 3 + 74 + 540 = 666.

It is a super-2 number, since 2×841374540² = 1415822233120423200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 841374495 and 841374504.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3772869 + ... + 3773091.

Almost surely, 2^841374540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 841374540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413853056).

841374540 is an abundant number, since it is smaller than the sum of its proper divisors (1986331572).

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

841374540 is a wasteful number, since it uses less digits than its factorization.

841374540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 841374540 is about 29006.4568673942. The cubic root of 841374540 is about 944.0531710810.

The spelling of 841374540 in words is "eight hundred forty-one million, three hundred seventy-four thousand, five hundred forty".