1421350154400 has 288 divisors, whose sum is σ = 5266525920768. Its totient is φ = 329588300800.

The previous prime is 1421350154363. The next prime is 1421350154401. The reversal of 1421350154400 is 44510531241.

It is a super-2 number, since 2×1421350154400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1421350154401) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 563214 + ... + 1777613.

It is an arithmetic number, because the mean of its divisors is an integer number (18286548336).

Almost surely, 2^{1421350154400} is an apocalyptic number.

1421350154400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421350154400 is an abundant number, since it is smaller than the sum of its proper divisors (3845175766368).

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

1421350154400 is a wasteful number, since it uses less digits than its factorization.

1421350154400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340884 (or 2340871 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1421350154400 its reverse (44510531241), we get a palindrome (1465860685641).

The spelling of 1421350154400 in words is "one trillion, four hundred twenty-one billion, three hundred fifty million, one hundred fifty-four thousand, four hundred".