146326121040 has 80 divisors (see below), whose sum is σ = 494848345536. Its totient is φ = 35472998400.

The previous prime is 146326120933. The next prime is 146326121057. The reversal of 146326121040 is 40121623641.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×146326121040² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 146326120989 and 146326121007.

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, 27710641 + ... + 27715920.

Almost surely, 2^146326121040 is an apocalyptic number.

146326121040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146326121040 is an abundant number, since it is smaller than the sum of its proper divisors (348522224496).

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

146326121040 is a wasteful number, since it uses less digits than its factorization.

146326121040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55426588 (or 55426582 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 146326121040 its reverse (40121623641), we get a palindrome (186447744681).

The spelling of 146326121040 in words is "one hundred forty-six billion, three hundred twenty-six million, one hundred twenty-one thousand, forty".