437491534040 has 64 divisors (see below), whose sum is σ = 1137010102560. Its totient is φ = 149729720320.

The previous prime is 437491534037. The next prime is 437491534069. The reversal of 437491534040 is 40435194734.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 437491533982 and 437491534000.

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, 29236607 + ... + 29251566.

Almost surely, 2^437491534040 is an apocalyptic number.

437491534040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

437491534040 is an abundant number, since it is smaller than the sum of its proper divisors (699518568520).

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

437491534040 is a wasteful number, since it uses less digits than its factorization.

437491534040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58488212 (or 58488208 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 437491534040 in words is "four hundred thirty-seven billion, four hundred ninety-one million, five hundred thirty-four thousand, forty".