1023154050040 has 64 divisors (see below), whose sum is σ = 2424343996800. Its totient is φ = 387548030592.

The previous prime is 1023154050013. The next prime is 1023154050073. The reversal of 1023154050040 is 400504513201.

It is a happy number.

It is a super-2 number, since 2×1023154050040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023154049987 and 1023154050014.

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, 1404579 + ... + 2004781.

It is an arithmetic number, because the mean of its divisors is an integer number (37880374950).

Almost surely, 2^{1023154050040} is an apocalyptic number.

1023154050040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023154050040 is an abundant number, since it is smaller than the sum of its proper divisors (1401189946760).

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

1023154050040 is a wasteful number, since it uses less digits than its factorization.

1023154050040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602476 (or 602472 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1023154050040 its reverse (400504513201), we get a palindrome (1423658563241).

The spelling of 1023154050040 in words is "one trillion, twenty-three billion, one hundred fifty-four million, fifty thousand, forty".