40221230510400 has 168 divisors, whose sum is σ = 132291550849440. Its totient is φ = 10698644183040.

The previous prime is 40221230510389. The next prime is 40221230510401. The reversal of 40221230510400 is 401503212204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221230510401) 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, 8647830 + ... + 12459029.

Almost surely, 2^{40221230510400} is an apocalyptic number.

40221230510400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40221230510400 is an abundant number, since it is smaller than the sum of its proper divisors (92070320339040).

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

40221230510400 is a wasteful number, since it uses less digits than its factorization.

40221230510400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21107281 (or 21107266 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 40221230510400 its reverse (401503212204), we get a palindrome (40622733722604).

The spelling of 40221230510400 in words is "forty trillion, two hundred twenty-one billion, two hundred thirty million, five hundred ten thousand, four hundred".