4021355423040 has 112 divisors (see below), whose sum is σ = 12768382408320. Its totient is φ = 1072312821760.

The previous prime is 4021355423039. The next prime is 4021355423081. The reversal of 4021355423040 is 403245531204.

It is a junction number, because it is equal to n+sod(n) for n = 4021355422992 and 4021355423010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24368005 + ... + 24532475.

It is an arithmetic number, because the mean of its divisors is an integer number (114003414360).

Almost surely, 2^{4021355423040} is an apocalyptic number.

4021355423040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4021355423040 is an abundant number, since it is smaller than the sum of its proper divisors (8747026985280).

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

4021355423040 is a wasteful number, since it uses less digits than its factorization.

4021355423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189960 (or 189950 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 4021355423040 in words is "four trillion, twenty-one billion, three hundred fifty-five million, four hundred twenty-three thousand, forty".