1033401421320 has 64 divisors (see below), whose sum is σ = 3200210864640. Its totient is φ = 266684236800.

The previous prime is 1033401421313. The next prime is 1033401421357. The reversal of 1033401421320 is 231241043301.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138894321 + ... + 138901760.

It is an arithmetic number, because the mean of its divisors is an integer number (50003294760).

Almost surely, 2^{1033401421320} is an apocalyptic number.

1033401421320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033401421320 is an abundant number, since it is smaller than the sum of its proper divisors (2166809443320).

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

1033401421320 is a wasteful number, since it uses less digits than its factorization.

1033401421320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277796126 (or 277796122 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1033401421320 its reverse (231241043301), we get a palindrome (1264642464621).

The spelling of 1033401421320 in words is "one trillion, thirty-three billion, four hundred one million, four hundred twenty-one thousand, three hundred twenty".