621084119040 has 1664 divisors, whose sum is σ = 2853456076800. Its totient is φ = 124358492160.

The previous prime is 621084119023. The next prime is 621084119059. The reversal of 621084119040 is 40911480126.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 621084118986 and 621084119004.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1234759429 + ... + 1234759931.

Almost surely, 2^621084119040 is an apocalyptic number.

621084119040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 621084119040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1426728038400).

621084119040 is an abundant number, since it is smaller than the sum of its proper divisors (2232371957760).

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

621084119040 is a wasteful number, since it uses less digits than its factorization.

621084119040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Adding to 621084119040 its reverse (40911480126), we get a palindrome (661995599166).

The spelling of 621084119040 in words is "six hundred twenty-one billion, eighty-four million, one hundred nineteen thousand, forty".