40021460550 has 72 divisors (see below), whose sum is σ = 107953012440. Its totient is φ = 10629840000.

The previous prime is 40021460497. The next prime is 40021460551. The reversal of 40021460550 is 5506412004.

40021460550 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 1 + 4 + 605 + 50 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40021460551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 64215 + ... + 290114.

It is an arithmetic number, because the mean of its divisors is an integer number (1499347395).

Almost surely, 2^40021460550 is an apocalyptic number.

40021460550 is an abundant number, since it is smaller than the sum of its proper divisors (67931551890).

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

40021460550 is a wasteful number, since it uses less digits than its factorization.

40021460550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354598 (or 354590 counting only the distinct ones).

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

Adding to 40021460550 its reverse (5506412004), we get a palindrome (45527872554).

The spelling of 40021460550 in words is "forty billion, twenty-one million, four hundred sixty thousand, five hundred fifty".