1040673837420 has 288 divisors, whose sum is σ = 3778545576960. Its totient is φ = 237091639680.

The previous prime is 1040673837391. The next prime is 1040673837439. The reversal of 1040673837420 is 247383760401.

1040673837420 is a `hidden beast` number, since 10 + 406 + 73 + 83 + 74 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8059165 + ... + 8187275.

It is an arithmetic number, because the mean of its divisors is an integer number (13119949920).

Almost surely, 2^{1040673837420} is an apocalyptic number.

1040673837420 is a gapful number since it is divisible by the number (10) 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 1040673837420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889272788480).

1040673837420 is an abundant number, since it is smaller than the sum of its proper divisors (2737871739540).

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

1040673837420 is a wasteful number, since it uses less digits than its factorization.

1040673837420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128450 (or 128435 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 1040673837420 in words is "one trillion, forty billion, six hundred seventy-three million, eight hundred thirty-seven thousand, four hundred twenty".