40221424342432 has 48 divisors (see below), whose sum is σ = 79406909124480. Its totient is φ = 20054597488128.

The previous prime is 40221424342427. The next prime is 40221424342457. The reversal of 40221424342432 is 23424342412204.

It is a super-2 number, since 2×40221424342432² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40221424342391 and 40221424342400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192814444 + ... + 193022932.

It is an arithmetic number, because the mean of its divisors is an integer number (1654310606760).

Almost surely, 2^{40221424342432} is an apocalyptic number.

It is an amenable number.

40221424342432 is a deficient number, since it is larger than the sum of its proper divisors (39185484782048).

40221424342432 is a wasteful number, since it uses less digits than its factorization.

40221424342432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225293 (or 225285 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 40221424342432 its reverse (23424342412204), we get a palindrome (63645766754636).

The spelling of 40221424342432 in words is "forty trillion, two hundred twenty-one billion, four hundred twenty-four million, three hundred forty-two thousand, four hundred thirty-two".