40621413447 has 24 divisors (see below), whose sum is σ = 59919724800. Its totient is φ = 26510471568.

The previous prime is 40621413409. The next prime is 40621413463. The reversal of 40621413447 is 74431412604.

40621413447 is a `hidden beast` number, since 406 + 214 + 1 + 34 + 4 + 7 = 666.

40621413447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40621413447 - 2⁷ = 40621413319 is a prime.

It is a super-2 number, since 2×40621413447² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621413047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33133 + ... + 286950.

It is an arithmetic number, because the mean of its divisors is an integer number (2496655200).

Almost surely, 2^40621413447 is an apocalyptic number.

40621413447 is a deficient number, since it is larger than the sum of its proper divisors (19298311353).

40621413447 is a wasteful number, since it uses less digits than its factorization.

40621413447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320387 (or 320384 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 40621413447 in words is "forty billion, six hundred twenty-one million, four hundred thirteen thousand, four hundred forty-seven".