40501144530 has 240 divisors, whose sum is σ = 138201313536. Its totient is φ = 8415731520.

The previous prime is 40501144517. The next prime is 40501144577. The reversal of 40501144530 is 3544110504.

It is a happy number.

40501144530 is a `hidden beast` number, since 40 + 50 + 1 + 1 + 44 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40501144494 and 40501144503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 390207 + ... + 482973.

Almost surely, 2^40501144530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40501144530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69100656768).

40501144530 is an abundant number, since it is smaller than the sum of its proper divisors (97700169006).

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

40501144530 is a wasteful number, since it uses less digits than its factorization.

40501144530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92811 (or 92795 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 40501144530 in words is "forty billion, five hundred one million, one hundred forty-four thousand, five hundred thirty".