10521454034340 has 72 divisors (see below), whose sum is σ = 32319065600640. Its totient is φ = 2770205615424.

The previous prime is 10521454034269. The next prime is 10521454034341. The reversal of 10521454034340 is 4343045412501.

10521454034340 is a `hidden beast` number, since 1 + 0 + 5 + 214 + 5 + 4 + 0 + 3 + 434 + 0 = 666.

It is a super-2 number, since 2×10521454034340² (a number of 27 digits) contains 22 as substring.

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 = 10521454034295 and 10521454034304.

It is not an unprimeable number, because it can be changed into a prime (10521454034341) 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, 369938454 + ... + 369966893.

It is an arithmetic number, because the mean of its divisors is an integer number (448875911120).

Almost surely, 2^{10521454034340} is an apocalyptic number.

10521454034340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10521454034340 is an abundant number, since it is smaller than the sum of its proper divisors (21797611566300).

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

10521454034340 is a wasteful number, since it uses less digits than its factorization.

10521454034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739905441 (or 739905436 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 10521454034340 its reverse (4343045412501), we get a palindrome (14864499446841).

The spelling of 10521454034340 in words is "ten trillion, five hundred twenty-one billion, four hundred fifty-four million, thirty-four thousand, three hundred forty".